Interface Products Design Guide Using CAN, LIN, Ethernet, Infrared Connectivity and General Purpose I/O Expanders
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1 Analog and Interface Product Solutions Interface Products Design Guide Using CAN, LIN, Ethernet, Infrared Connectivity and General Purpose I/O Expanders Design ideas in this guide are based on many of the interface devices available from Microchip Technology. A complete device list and corresponding data sheets for these products can be found at: Stand-alone CAN Controller MCP2515 CAN Transceiver MCP2551 CAN I/O Expander MCP250XX LIN Transceiver MCP201 Ethernet Controller ENC28J60 General Purpose I/O Expander MCP23X08 MCP23X17 IrDA Encoder/Decoder MCP2120 MCP2122 IrDA Protocol Handler MCP2140 MCP2150 MCP2155
2 Controller Area Network (CAN) SIMPLE CAN DESIGN FAN CONTROL EXAMPLE: SOLUTION SIMPLE SENSOR NODE The CAN bus (Controller Area Network) protocol was designed to be a high-speed, reliable communication protocol for command and control network applications. Microchip offers a complete line of products to meet the needs of highperformance embedded applications using the CAN protocol, including 8- and 16-bit microcontrollers (MCUs) with integrated CAN, stand-alone CAN controllers, CAN I/O expanders and CAN transceivers. As CAN continues to grow and proliferate into other markets, the need to add CAN to simple sensor circuits increases. In some applications, a simple CAN sensor node can be cost prohibitive due to the higher cost of using a microcontroller with integrated CAN modules. Often the microcontrollers with integrated CAN have extra peripherals, program memory, RAM, etc. which the simple sensor application does not need. In addition to MCUs with integrated CAN, Microchip offers a low cost stand-alone CAN controller with SPI interface (MCP2515) which can be paired up with the desired MCU to create an optimized CAN node. The designer does not have to settle for the peripherals offered by an MCU with integrated CAN, but rather the designer can choose the MCU which best matches the application. Additionally, the four pins used by the MCU for SPI can be regained by using the general purpose inputs and outputs on the MCP2515. The schematic shown below represents a very simple, low cost CAN solution. MCP2515 Stand-alone CAN Controller Features: Implements CAN V2.0B at 1Mb/s Masks and filters to filter out unwanted messages Two receive buffers Three transmit buffers High speed SPI interface (10 MHz) Low voltage operation ( V) One shot mode to ensure a message transmission is only attempted once Start-Of-Frame (SOF) signal pin to detect CAN start-of-frame Data byte filtering of the first two data bytes Clock out pin with prescaler can be used as a clock source Interrupt output pin with selectable interrupt enables Two buffer full pins (can be used as general purpose outputs) Three request-to-send pins (can be used as general purpose inputs) 18-pin PDIP and SOIC, 20-pin TSSOP Development Tool Support: MCP2510/2515 CAN Developer s Kit (DV251001) MCP2515 CAN Controller PICtail Demonstration Board (MCP2515DM-PCTL) Simple Sensor Node Using MCP2515 Stand-alone CAN Controller MCP2551 CAN Transceiver CAN Bus PIC12F875 MCU MCP2515 CAN Controller Analog Input X Used as General Purpose Inputs General Purpose Output MCU recovers I/O used for SPI (GP1-GP5) Product specifications can be found on page Interface Products Design Guide
3 Controller Area Network (CAN) CAN DESIGN EXAMPLE: ADDING CAN TO EXISTING APPLICATIONS Existing applications that require the addition of CAN will find that the MCP2515 can be used to add CAN connectivity to any application ranging from low-end simple sensor applications, to high-end DSP, 32-bit MCU, ASIC, etc. The diagram below shows CAN added to a high-end application, as many high-end processors do not have embedded CAN peripherals. Dual CAN Node The MCP2515 can be used to easily add dual CAN capabilities for a given node. Product specifications can be found on page 13. Interface Products Design Guide 3
4 Controller Area Network (CAN) CAN DESIGN EXAMPLE: SIMPLE SENSOR NETWORK USING CAN I/O EXPANDER MCP250XX CAN I/O Expander The MCP250XX devices operate as I/O expanders for a CAN system. These devices feature several peripherals including eight digital I/O, four 10-bit A/D converters and two 10-bit PWM channels. In addition, the MCP250XX can automatically send messages when an input changes state, including when an analog channel exceeds a preset threshold. The device can also be configured to send A/D and digital I/O messages at regular intervals. Three bits (plus the RTR bit or one more ID bit for direction) are reserved in the identifier/arbitration field of the CAN message to communicate with the MCP250XX. This allows a master CAN node to communicate/control the CAN I/O Expanders via the CAN bus. Simple Sensor Network The MCP250XX is ideal for simple, low cost sensor networks. Particularly where the higher layers are proprietary so the system designer can maximize the MCP250XX features. The diagram below shows a four-node sensor network using only one MCU. MCP250XX CAN I/O Expander Features: Implements CAN 2.0 B Masks and filters to filter out unwanted messages Two receive buffers Three auto transmit buffers for sending messages automatically Non-volatile memory for user configuration Configuration can be modified via the CAN bus Message scheduling capability Sends GPIO and analog data Eight general purpose I/O pins individually selectable as inputs or outputs Individually selectable transmit-on-change for each input Four 10-bit analog channels with programmable conversion clock and VREF sources Individually selectable threshold detection Two 10-bit PWM outputs Low voltage operation ( V) 14-pin PDIP and SOIC MCP250XX CAN I/O Expander s Developer s Kit (DV250501) MCP2515 CAN Controller PICtail Demonstration Board (MCP2515DM-PCTL) MCP250XX MCP250XX Product specifications can be found on page Interface Products Design Guide
5 Controller Area Network (CAN) DESIGN EXAMPLE: BASIC CONNECTIONS USING CAN TRANSCEIVER MCP2551 CAN Transceiver The MCP2551 is a high speed CAN transceiver which serves as an interface between the CAN bus and the CAN controller. The MCP2551 implements the ISO physical layer requirements which is by far the most common physical layer for CAN. The MCP2551 converts between logic levels generated by the CAN controller and differential signal levels on the bus. The differential signal is less prone to electrical disturbances. The MCP2551 protects the CAN controller from electrical anomalies such as voltage spikes, short circuits and other electrical transients on the bus. The diagram below shows the basic connections for connecting the MCP2551. MCP2551 CAN Transceiver Features: Implements ISO physical layer requirements Suitable for 12V and 24V systems ±40V short circuit protection on the bus pins Automatic thermal shutdown protection MCP2551 CAN Transceiver Features (Cont.): ±250V transient protection on the bus pins Ground fault (permanent dominant) detection on the transmit input pin Keeps faulty transmitters from bringing down the bus due to a permanent dominant condition Externally controlled slope on the bus pins to reduce RFI emissions Power on reset and brown out detection Unpowered nodes will not disturb the bus Up to 112 nodes can be connected MCP2510/2515 CAN Developer s Kit (DV251001) MCP2515 CAN Controller PICtail Demonstration Board (MCP2515DM-PCTL) MCP250XX CAN I/O Expander Developer s Kit (DV250501) SOIC 8-Lead Evaluation Board (SOIC8EV) Basic Connections for Connecting the MCP2551 Product specifications can be found on page 13. Interface Products Design Guide 5
6 Local Interconnect Network (LIN) DESIGN EXAMPLE: TYPICAL APPLICATIONS USING LIN TRANSCEIVER MCP201 LIN Transceiver LIN is a low speed network (20 kbaud) intended for automotive and industrial applications where the speed and robustness of CAN is not needed and where low cost is essential. The MCP201 is a LIN transceiver which provides the interface between the LIN bus and the LIN controller. The MCP201 converts between CMOS/TTL levels and LIN levels. The diagram shows a typical implementation of a LIN node using the MCP201. MCP201 LIN Transceiver Features: Supports LIN rates up to 20 kbaud 40V load dump protected Operates from 6V to 18V MCP201 LIN Transceiver Features (Cont.): Robust LIN bus pin Protected against ground shorts Protected against loss of ground Automatic thermal shutdown High current drive (40 ma to 200 ma) Built in voltage regulator (LDO) 5V output (±5 % tolerance) 50 ma maximum output current Internal thermal overload protection Internal short circuit protection PICDEM CAN-LIN 1, 2 and 3 Demonstration Boards (DM163007, DM163011, DM163015) PICDEM LIN Demonstration Board (DM163005) SOIC 8-Lead Evaluation Board (SOIC8EV) Typical MCP201 Application Optional Components Wake-up Optional Components Typical LIN Network Configuration Product specifications can be found on page Interface Products Design Guide
7 Ethernet ETHERNET DESIGN EXAMPLE: ENC28J60 ETHERNET CONTROLLER ENC28J60 Ethernet Controller The ENC28J60 is a 28-pin, IEEE compliant stand-alone Ethernet controller with on board MAC and PHY, 8 Kbytes of Buffer RAM and SPI interface. These features, combined with Microchip s free TCP/IP software stack for PIC18 microcontrollers, provide the smallest whole-product Ethernet solution for embedded applications. With a small package size including a 6x6 mm QFN, the ENC28J60 provides a lowpin count, cost-effective and easy-to-use solution for remote communication with embedded applications. ENC28J60 Ethernet Controller Features: General IEEE compatible Ethernet Controller Integrated MAC and 10BASE-T PHY 8 Kbyte Transmit/Receive Packet Dual Port Buffer SRAM Receiver and Collision Squelch Circuit Automatic Polarity Detection and Correction Programmable Automatic Retransmit on Collision Programmable Padding and CRC Generation Programmable Automatic Rejection of Erroneous Packets ENC28J60 Ethernet Controller Features (Cont.): Buffer Configurable transmit/receive buffer size Hardware managed circular receive FIFO Byte-wide random and sequential access Internal DMA for fast memory copying Hardware assisted IP checksum calculation Operates from 6V to 18V PHY Wave shaping output filter Loopback mode MAC Support for Unicast, Multicast and Broadcast packets Programmable pattern matching of up to 64 bytes within packet at user defined offset Programmable wake-up on multiple packet formats, including Magic Packet, Unicast, Multicast, Broadcast, specific packet match or any packet Loopback mode Ethernet PICtail Daughter Board (AC164121) Microchip TCP/IP software stack (AN833, AN870) Typical Ethernet Application MCU TCP/IP SPI Stack I/O AN833 AN870 SDO SDI SCK INTx CS SI SO SCK INT, WOL ENC28J60 TX/RX Buffer MAC PHY Ethernet Transformer RJ45 Interface Products Design Guide 7
8 Infrared Communications DESIGN EXAMPLE: INFRARED DATA APPLICATIONS MCP2150 and MCP2155 IrDA Protocol Stack Controller The MCP215X devices allow an embedded systems designer to interface to popular IrDA standard devices (such as PDAs and PCs) using the embedded systems host controller UART and some I/O pins. The MCP215X implements the IrDA standard stack. At the application layer, the IrCOMM protocol (9-wire cooked service class) is the IrDA standard replacement for the serial cable. Thus the embedded systems designer will interface to the MCP215X as if it was a serial cable. The MCP215X does not implement the IR transceiver of the physical layer. MCP215X Features: Implements the IrDA standard including: IrLAP IrLMP IAS TinyTP rcomm (9-wire cooked service class) UART to IrDA standard encoder/decoder Interfaces with UARTs and infrared transceivers UART support to Data Terminal Equipment (DTE) interfaces (MCP2150) or Data Communication Equipment (DCE) interfaces (MCP2155) MCP215X Features (Cont.): Supports 1.63 μs bit width for transmit/receive Independent UART and IR baud rates UART baud rates: 906 kbaud 19.2 kbaud 57.6 kbaud kbaud IrDA baud rates: 906 kbaud 19.2 kbaud 38.4 kbaud 57.6 kbaud kbaud 64 byte data packet Programmable device ID Operates as a Slave Device Hardware pin for low power mode MCP2120/MCP2150 Developer s Kit (DM163008) MCP215X Data Logger Demonstration Board (MCP215XDM) MCP215X/40 Developer s Daughter Board (MCP215XEV-DB) MCP215X Typical System Block Diagram MCP215X Note 1: The CD and RI signals have different directions (and functions) between the MCP2150 and the MCP2155. Note 2: Please refer to MCP2150 Data Sheet (DS21655) or MCP2155 Data Sheet (DS21690) for the function of the Host UART signals (TX, RX, RTS, CTS, DSR, CD and RI). Not all signals may be required in your application (see AN858). Product specifications can be found on page Interface Products Design Guide
9 IrDA Protocol Stack Controller DESIGN EXAMPLE: USING 9600 BAUD IrDA PROTOCOL STACK CONTROLLER MCP2140 IrDA Protocol Stack Controller MCP2140 has all of the same features as the MCP2150 except: Supports discrete IR circuitry instead of integrated infrared transceivers Host UART and IR interface fixed at 9600 baud Fixed device ID Wake-up on IR detect The diagram below shows a typical system block diagram and typical discreet IR transceiver. MCP2140 Wireless Temperature Sensor Demonstration Board (MCP2140DM-TMPSNS) MCP215X/40 Developer s Daughter Board (MCP215XEV-DB) MCP2140 Typical System Block Diagram Note 1: Not all microcontroller I/O pins are required to be connected to the MCP2140. Product specifications can be found on page 13. Interface Products Design Guide 9
10 IrDA Protocol Stack Controller DESIGN EXAMPLE: USING AN IrDA ENCODER/DECODER MCP2120 Infrared Encoder/Decoder Unlike the MCP2150 and MCP2140 which implement the IrDA stack, the MCP2120 is simply an encoder/decoder. This allows the application processor to implement all or part of the IrDA stack, or implement a custom protocol using IR. MCP2120 Features: UART to IrDA encoder/decoder Supports IrDA physical layer specification (v.1.3) Interfaces with IrDA compliant transceivers Interfaces to standard UARTs MCP2120 Features (Cont.): Operates up to the full standard IrDA data rate (115.2 kbaud) kbaud maximum Low power mode Hardware and software baud control MCP2120/MCP2150 Developer s Kit (DM163008) MCP212X Developer s Daughter Board (MCP212XEV-DB) MCP2122 Infrared Encoder/Decoder The MCP2122 is a stand-alone IrDA standard encoder/ decoder device. The MCP2122 has two interfaces: the host UART interface and the IR interface. The host UART interfaces to the UART of the host controller. The IR interface connects to an infrared (IR) optical transceiver circuit, which converts electrical pulses into IR light (encode) and converts IR light into electrical pulses (decode). MCP2122 Features: UART to IrDA encoder/decoder Supports IrDA physical layer specification (v.1.3) Interfaces with IrDA compliant transceivers Interfaces to standard UARTs Operates up to the full standard IrDA data rate (115.2 kbaud) Low power mode 16X clock input MCP212X Developer s Daughter Board (MCP212XEV-DB) SOIC 8-Lead Evaluation Board (SOIC8EV) MCP2120 Typical System Block Diagram MCP2122 Typical System Block Diagram RESET 16X CLK Product specifications can be found on page Interface Products Design Guide
11 General Purpose I/O Expanders DESIGN EXAMPLE: USING A GENERAL PURPOSE PARALLEL 8-BIT I/O PORT EXPANDER MCP23008/MCP23S08 8-bit I/O Expander The MCP23X08 device provides 8-bit, general purpose, parallel I/O expansion for I 2 C bus or SPI applications. The two devices differ in the number of hardware address pins and the serial interface: MCP23008 I 2 C interface; three address pins MCP23S08 SPI interface; two address pins The MCP23X08 consists of multiple 8-bit confi guration registers for input, output and polarity selection. MCP23008 Features: High speed I 2 C interface: 100 khz 400 khz 1.7 MHz Three hardware address pins for up to eight devices on the bus Configurable interrupt output pin Configurable interrupt source High current drive for each output (25 ma) Eight individually selectable I/O pins Low standby current (1 μa max) MCP23S08 Features: High speed SPI interface: 10 MHz Two hardware address pins for up to four devices on the bus Configurable interrupt output pin Configurable interrupt source High current output drive for each pin (25 ma) Eight individually selectable I/O pins Low standby current (1 μa max) MCP23X08 Evaluation Board (MCP23X08EV) MCP23008/MCP23S08 Typical System Block Diagram MCP23S08 A1:A0 SCK SI SO SCL SDA A2:A0 MCP23008 RESET INT Decode Decode I 2 C SPI Serial Interface Interrupt Logic Serializer/ Deserializer Control 8 8 GPIO GP0 GP1 GP2 GP3 GP4 GP5 GP6 GP7 VDD VSS POR Configuration/ Control Registers Product specifications can be found on page 14. Interface Products Design Guide 11
12 General Purpose I/O Expanders DESIGN EXAMPLE: USING A GENERAL PURPOSE PARALLEL 16-BIT I/O PORT EXPANDER MCP23017/MCP23S17 16-bit I/O Expander The MCP23017/MCP23S17 (MCP23X17) device family provides 16-bit, general purpose parallel I/O expansion for I 2 C bus or SPI applications. The two devices differ only in the serial interface. MCP23017 I 2 C interface MCP23S17 SPI interface The MCP23X17 consists of multiple 8-bit confi guration registers for input, output and polarity selection. MCP23017 Features: High speed I 2 C interface: 100 khz 400 khz 1.7 MHz Three hardware address pins for up to eight devices on the bus Configurable interrupt output pin Configurable interrupt source High current drive for each output (25 ma) Sixteen individually selectable I/O pins Low standby current (1 μa max) MCP23S17 Features: High speed SPI interface Three hardware address pins for up to eight devices on the bus Configurable interrupt output pin Configurable interrupt source High current drive for each output (25 ma) Sixteen individually selectable I/O pins Low standby current (1 μa max) None available at this time. MCP23017/MCP23S17 Typical System Block Diagram MCP23S17 A2:A0 CS SCK SI SO SCL SDA A2:A0 MCP23017 RESET INTA INTB Decode Decode SPI I 2 C Serial Interface Interrupt Logic Serializer/ Deserializer Control 8 Configuration/ Control Registers 16 GPIO GPIO GPB7 GPB6 GPB5 GPB4 GPB3 GPB2 GPB1 GPB0 GPA7 GPA6 GPA5 GPA4 GPA3 GPA2 GPA1 GPA0 Product specifications can be found on page Interface Products Design Guide
13 Interface Products SELECTED PRODUCT SPECIFICATIONS See the Microchip Product Selector Guide for complete product selection and specifications Device Operating Voltage (V) Stand-alone Controller Area Network (CAN) Products Operating Temp. Range ( C) Unique Features Packages MCP2510 (1) 2.7 to to +125 CAN 2.0B Active controller with SPI interface to MCU, 3 transmit 18 PDIP, SOIC, 20 TSSOP buffers, 2 receive buffers, HW and SW message triggers MCP to to +125 MCP2510 pin-compatible upgrade with enhanced features 18 PDIP, SOIC, 20 TSSOP including higher throughput and data byte filtering MCP to to +125 CAN 2.0B Active I/O Expander, Confi gurable I/O, 2 PWM outputs 14 PDIP, SOIC MCP to to +85 CAN 2.0B Active I/O Expander, Confi gurable I/O, 2 PWM outputs, 14 PDIP, SOIC one-wire CAN option MCP to to +125 Mixed-Signal CAN 2.0B Active I/O Expander, Confi gurable I/O, 14 PDIP, SOIC 4 10-bit ADCs, 2 PWM outputs MCP to to +85 Mixed-Signal CAN 2.0B Active I/O Expander, Confi gurable I/O, 14 PDIP, SOIC 4 10-bit ADCs, 2 PWM outputs, One-wire CAN option MCP to to +125 High-Speed CAN Transceiver (1 Mbps max. CAN bus speed), ISO compatible, Industry standard pinout 8 PDIP, SOIC (1) Not recommended for new designs, use MCP2515. Device MCP201 Description LIN transceiver with integrated VREG VREG Output Voltage (V) LIN Bus Transceiver Operating Temp. Range ( C) (1) Output current can be increased with external pass transistor. (2) Can withstand 40V load dump. VREG Output Current (ma) VCC Range (V) Max Baud Rate LIN Specification Supported Packages 4.75 to to (1) 6.0 to 18 (2) 20 Kbaud Revision PDIP, SOIC Device MAC PHY TX/RX RAM Buffer Interrupts LEDS Ethernet Controller Operating Voltage Temp. Range ( C) Max Speed MHz Serial Ethernet Specification Supported Packages ENC28J60 (1) Yes Yes 8 KB to SPI IEEE SDIP, SOIC, SSOP, MLF (1) Contact marketing for availability. Device Operating Voltage (V) Operating Temp. Range ( C) Min./Max. Baud Rate (Kbaud) Infrared Products Unique Features Packages MCP to to +85 0/325 UART to IR encoder/decoder with both hardware and 14 PDIP, SOIC software baud rate selection MCP to to /115,200 UART to IR encoder/decoder with 16x clock input 8 PDIP, SOIC MCP to to +85 -/9.6 IrDA protocol handler plus bit encoder/decoder, fi xed baud rate, low power, low cost MCP to to /115.2 IrDA Standard protocol handler plus bit encoder/decoder on one chip for DTE applications, programmable device ID MCP to to /115.2 IrDA Standard protocol handler plus bit encoder/decoder on one chip for DCE applications, programmable device ID 18 PDIP, SOIC, 20 TSSOP 18 PDIP, SOIC, 20 TSSOP 18 PDIP, SOIC, 20 TSSOP Interface Products Design Guide 13
14 Interface Products SELECTED PRODUCT SPECIFICATIONS Device MCP23008 MCP23S08 MCP23016 (1) MCP23017 MCP23S17 Description 8-bit I/O Port Expander 16-bit I/O Port Expander 16-bit I/O Port Expander (1) Not recommended for new designs. Operating Voltage (V) Operating Temp. Range ( C) Serial Peripherals Bus Type Max. Bus Frequency (kbits/s) Features 1.8 to to +125 I 2 C 1.7 MHz 3 HW address inputs, HW interrupt, 25 ma source/sink capability per I/O SPI 10 MHz 3 HW address inputs, 2 HW interrupt, 25 ma source/sink capability per I/O 2.0 to to +85 I 2 C HW address inputs, HW interrupt, 25 ma source/sink capability per I/O 1.8 to to +125 I 2 C 1.7 MHz 3 HW address inputs, 2 HW interrupt, SPI 10 MHz 25 ma source/sink capability per I/O Packages 18 PDIP, SOIC, 20 TSSOP 28 PDIP, SOIC, SSOP 28 PDIP, SOIC, SSOP, QFN Related Support Material The following Application Notes and Tech Briefs are available on the Microchip web site: Application Notes CAN Communications AN212: Smart Sensor CAN Node Using the MCP2510 and PIC16F876 Demonstrates a way to implement a simple input pressure switch connected to a node board, along with a visual light source to display the value in terms of brightness. Several uses for differ ent types of inputs and outputs can be implemented by using the basic techniques from this design. AN215: A Simple CAN Node Using the MCP2510 and PIC12C67X Describes the design, develop ment and implementation of a smart, low cost, stand-alone Controller Area Network (CAN) node. Com bines the 8-pin PIC12C672 with the 18-pin MCP2510 stand-alone CAN controller to create a fully autonomous CAN node, which supports both time-based and event driven message transmission. AN228: A CAN Physical Layer Discussion A discussion of the many network protocols which are described using the seven layer Open System Interconnection (OSI) mode. AN739: An In-Depth Look at the MCP2510 Focuses on using the MCP2510 including the minimal confi guration necessary to enable the CAN node, features and implementation, a detailed discussion of many of the registers and potential pitfalls during implementation. AN754: Understanding Microchip s CAN Module Bit Timing Investigates the relationships between bit timing parameters, the physical bus propagation delays and oscillator tolerances throughout the system as they pertain to Microchip s CAN module and assists in optimizing the bit timing for given physical system attributes. AN816: A CAN System Using Multiple MCP25025 I/O Expanders Describes a control system for a scissor-lift, which is essentially a mobile work platform enabling the user to reach relatively high places. All of the operations and movements use one Master Node and three I/O Expander Nodes. AN872: Upgrading from the MCP2510 to the MCP2515 This application note discusses the differences between the MCP2510 and MCP2515 (and possible impact of these differences) in an effort to assist with the upgrade process. AN873: Using the MCP2515 CAN Developer s Kit Serves as a three-part tutorial for the MCP2515/2510 developer s kit and discusses the three software tem plates in detail as well as the important menu items. Infrared Communications AN858: Interfacing The MCP215X to a Host Controller Discusses the operation of the MCP215X Host UART interface, implements an embedded system (as an IrDA Standard Secondary device), and describes the setup of PDA devices to operate as the IrDA Standard Primary device. AN888: Programming the Palm OS for Embedded IR Applications Strives to impart core, fundamental programming concepts and design considerations for the development of Palm OS application programs. Attention is given to each of the fundamental areas of Palm OS application development in the C programming language. AN926: Programming the Pocket PC OS for Embedded IR Applications This application note details the tools, supporting technologies and procedures for the development of infrared applications on Windows Mobile based devices. AN941: Programming Windows XP for Embedded IR Applications This application note details the tools, supporting technologies and procedures for the development of infrared applications on a Windows XP based PC. 14 Interface Products Design Guide
15 Interface Products RELATED SUPPORT MATERIAL AN927: Data Throughput and the MCP215X Discusses techniques that will improve the data transfer throughput between IrDA standard Primary Device and embedded system. AN946: Interfacing the MCP2122 to the Host Controller This application note discusses methods with which to interface the MCP2122 to a Host Controller and how to use the PICmicro MCU s CCP and Timer 2 modules to generate the 16XCLK signal. AN243: Fundamentals of the Infrared Physical Layer Describes the fundamentals of the infrared physical layer, the IrDA standard and selecting the proper discrete emitter and photodiode components for circuit implementation. TB073: Selecting an MCP21XX Device for IrDA Applications This document will help you select which MCP21XX family device is a good fit for your application. AN923: Using the MCP2120 Developer s Board for IR Sniffing Discusses the implementation of an IR Sniffer using the MCP2120 Developer s board connect to a PC running a program call Listen32. AN756: Using the MCP2120 for Infrared Communications A discussion regarding the encod ing/decoding function in the MCP2120 which is performed as specified in the phys ical layer component of the IrDA standard known as the IrPHY. TB059: Using The MCP2150 Developer s Board With the MCP2155 This technical brief describes how the MCP2150 Developer s Board can be used for development of MCP2155 applications, and focuses on the Host UART signals from the U2 socket (MCP2150/MCP2155 ) to the MAX3238 device (U1) and the Header (J1). AN758: Using the MCP2150 To Add IrDA Standard Wireless Connectivity Microchip s MCP2150 provides support for the IrDA standard protocol stack plus bit encoding/ decoding. This application note discusses the encoding/decoding functionality of this device. TB046: Connecting the MCP2150 To The Psion Operating System Since the MCP2150 is a protocol handler supporting IrDA stan dards plus an encoder/decoder, it can be used as a Virtual Connector, a wire less link between an embedded application and an IrDA standard host. This host can be a handheld device using the Psion OS. The Psion OS is generally used for small Personal Digital Assistants (PDA) devices. TB047: Connecting the MCP2150 to the Windows CE Operating System Similar to TB046 but using a Microsoft Windows CE Operating System (OS). Windows CE is an excellent host platform for use with the MCP2150 because of the light weight, low cost, ease of use and portability of these devices. Microsoft Windows includes a terminal client that can easily be used to demonstrate this capability. TB048: Connecting the MCP2150 to the Windows Operating System This technical brief is similar to TB046, however, in this application the host is a Personal Computer (PC) using Microsoft Windows which includes a terminal client that can easily be used to demonstrate the capabilities of the MCP2150. TB049: Connecting the MCP2150 to the Palm Operating System Similar to TB046 but using the Palm Operating System (OS) Personal Digital Assistants (PDA) devices are an excellent host platform for use with the MCP2150 because of the light weight, low cost, ease of use and portability of these devices. I/O Expander AN972: I/O Expansion Using the MCP23X08 and PIC10F202 This application note discusses using the MCP23008 and MCP23S08 GPIO Expanders with a 6-pin PIC10F202 microcontroller unit (MCU). The discussion is based on the MCP23X08 Evaluation Board, P/N: MCP23008DM. LIN Bus Communications AN729: LIN Protocol Implementation Using PICmicro MCUs This application note is intended to provide a broad overview of the LIN bus and provide a high level look at how it works, how to imple ment a Slave node on a PICmicro device and what it s designed to do. AN829: LightKeeper Automotive Lighting Control Module This application note describes an automotive exterior lighting control module using a PIC16C433. Ethernet Communications AN833: The Microchip TCP/IP Stack This application note details Microchip s own freely available implementation of the TCP/IP Stack. This TCP/IP Stack is a suite of programs that provide services to standard TCP/IPbased applications (HTTP Server, Mail Client, etc.), or can be used in a custom TCP/IP or UDP/IP-based application. AN870: An SNMP Agent for the Microchip TCP/IP Stack This application note provides one of the key components of the SNMP Management system: the SNMP Agent that runs on the managed device. The simple agent presented here is designed to run on Microchip s PICmicro microcontrollers and is implemented using services provided by the free Microchp TCP/IP stack. Interface Products Design Guide 15
16 Worldwide Sales and Service Microchip Technology is a leading provider of microcontroller, analog and memory products that provide risk-free product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Microchip s commitment to quality and innovation coupled with world-class development tools, dependable delivery and outstanding technical support sets us apart. Analog and Interface Attributes Robustness MOSFET Drivers lead the industry in latch-up immunity/stability Low Power/Low Voltage Op Amp family with the lowest power for a given gain bandwidth 600 na/1.4v/10 khz bandwidth Op Amps 1.8V charge pumps and comparators Lowest power 12-bit ADC in a SOT-23 package Integration One of the first to market with integrated LDO with Reset and Fan Controller with temperature sensor PGA integrates MUX, resistive ladder, gain switches, high-performance amplifier, SPI interface Space Savings Resets and LDOs in SC70, A/D converters in a 5-lead SOT-23 package CAN and IrDA Standard protocol stack embedded in an 18-pin package Accuracy Offset trimmed after packaging using Non-Volatile Memory Innovation Low pin-count embedded IrDA Standard stack, FanSense technology SelectMode operation For more information, visit the Microchip web site at: Analog and Interface Products Thermal Management Power Management Interface Mixed-Signal Linear Temperature Sensors Fan Speed Controllers/ Fan Fault Detectors LDO & Switching Regulators Charge Pump DC/DC Converters Power MOSFET Drivers PWM Controllers System Supervisors Voltage Dectectors Voltage References CAN Peripherals Infrared Peripherals LIN Transceiver Serial Peripherals A/D Converter Families Digital Potentiometers System D/A Converters V/F and F/V Converters Op Amps Programmable Gain Amplifiers Comparators Linear Integrated Devices Battery Management Li-Ion/Li-Polymer Battery Chargers Smart Battery Managers Microchip Technology Inc W. Chandler Blvd. Chandler, AZ Information subject to change. The Microchip name and logo, the Microchip logo, PIC and PICmicro are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. FanSense, Select Mode, MXLAB and MXDEV are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. All other trademarks mentioned herein are property of their respective companies. 2005, Microchip Technology Incorporated. All Rights Reserved. Printed in the U.S.A. 9/05 DS21883B *DS21883B*
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